Replacement set of 6 duckbill valves designed as direct replacement parts for compatible breast pump bottles. Thick, durable construction and precise fit help keep your pump assembly working reliably when valves become worn or misshapen. Key benefits worn parts quickly: A set of six duckbill valves lets you swap out stretched or torn valves to maintain consistent part fit and operation. Durable design: Thicker valve material resists fatigue from repeated use and handling, extending the time between replacements. Precise fit: Shaped to fit the collector opening on compatible bottles for a secure connection and predictable seating during assembly. Ready spares for daily use and travel: Multiple valves mean you can keep clean spares on hand while other parts are being cleaned or sterilized. Simple installation and maintenance: Easy to insert and remove for routine cleaning and replacement. Important attributes Quantity: 6 replacement duckbill valves Function: Valves for milk collection assemblies to control flow direction and prevent backflow into the pump tubing Compatibility: Compatible with Spectra S1 S2 S9 and Motif Luna bottles and similar milk downflow collectors that use duckbillstyle valves Construction: Thick, durable valve material designed for repeated use and handling Fit: Engineered to match common collector openings used by the listed compatible models Use scenarios Routine replacement after regular pumping: Swap out valves showing wear to maintain consistent assembly fit during daily use. Travel and daycare readiness: Pack a set of spare valves to avoid disruption when away from home or when a valve needs replacing while on the go. Cleaning cycles: Keep extra valves so you can continue pumping while other valves are soaking or being sterilized. What you get Six thick, durable duckbill valves intended as replacement parts for compatible bottle and collector assemblies. Designed for straightforward installation and practical replacement needs without modifying existing pump components.